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curl-functions.m4: remove inappropriate AC_REQUIRE

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AC_REQUIRE means "if this macro hasn't been executed already, execute
it".  So in a wrapper around AC_RUN_IFELSE, AC_REQUIRE(AC_RUN_IFELSE)
isn't correct at that will execute AC_RUN_IFELSE without any arguments.

With autoconf 2.69 this is basically a no-op, but with autoconf 2.70,
AC_RUN_IFELSE without a default value when cross-compiling is fatal.
The result is that curl with autoconf 2.70 cannot cross-compile.

Fixes https://github.com/curl/curl/issues/5126
Closes https://github.com/curl/curl/pull/5130
This commit is contained in:
Ross Burton 2020-03-20 21:16:24 +00:00 committed by Jay Satiro
parent 9b4990f068
commit f25f602ffd
1 changed files with 0 additions and 2 deletions
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2
m4/curl-functions.m4
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@ -7289,8 +7289,6 @@ dnl CURL_LIBRARY_PATH variable. It keeps the LD_LIBRARY_PATH
dnl changes contained within this macro.
AC_DEFUN([CURL_RUN_IFELSE], [
AC_REQUIRE([AC_RUN_IFELSE])dnl
old=$LD_LIBRARY_PATH
LD_LIBRARY_PATH=$CURL_LIBRARY_PATH:$old
export LD_LIBRARY_PATH